[AAE-11496] Move 'content-plugin' to projects folder as 'aca-content' (#2817)

* [AAE-11496] Move content-plugin to projects

* Fix unit test

projects/aca-content/src/lib/components/context-menu/context-menu-outside-event.directive.ts

@@ -0,0 +1,64 @@
+/*!
+ * @license
+ * Alfresco Example Content Application
+ *
+ * Copyright (C) 2005 - 2020 Alfresco Software Limited
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail.  Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { Directive, Output, EventEmitter, OnInit, OnDestroy } from '@angular/core';
+import { fromEvent, Subscription } from 'rxjs';
+import { filter } from 'rxjs/operators';
+
+@Directive({
+  selector: '[acaContextMenuOutsideEvent]'
+})
+export class OutsideEventDirective implements OnInit, OnDestroy {
+  private subscriptions: Subscription[] = [];
+
+  @Output()
+  clickOutside: EventEmitter<null> = new EventEmitter();
+
+  constructor() {}
+
+  ngOnInit() {
+    this.subscriptions = this.subscriptions.concat([
+      fromEvent(document.body, 'click')
+        .pipe(filter((event) => !this.findAncestor(event.target as Element)))
+        .subscribe(() => this.clickOutside.next())
+    ]);
+  }
+
+  ngOnDestroy() {
+    this.subscriptions.forEach((subscription) => subscription.unsubscribe());
+    this.subscriptions = [];
+  }
+
+  private findAncestor(el: Element): boolean {
+    const className = 'aca-context-menu';
+
+    if (el.classList.contains(className)) {
+      return true;
+    }
+    // eslint-disable-next-line curly
+    while ((el = el.parentElement) && !el.classList.contains(className));
+    return !!el;
+  }
+}